JPH11243018A - Static guide electrical equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a static guide electrical equipment which can be cooled without providing piping for cooling. SOLUTION: This static guide electrical equipment is provided by sealing an equipment main body and insulating gas in a closed tank main body. Vertical tank reinforcing beams 7a are provided outside the side faces of the sealed tank main body 1, and the tank reinforcing beams 7a are used as a cooling passage for cooling the equipment main body, so that it is not necessary to especially provide piping for cooling for connecting the tank main body 1 with a cooler 3 and a blower 4. Thus, there is no extension from a tank for piping for cooling, and the outline area of the static guide electrical equipment can be sharply reduced, and the weight of the static guide electrical equipment can be greatly reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stationary induction device in which a device body and an insulating gas are sealed in a closed tank body.

[0002]

2. Description of the Related Art FIG. 7 is a side sectional view of a conventional gas-insulated stationary induction device, and FIG. 8 is a top sectional view thereof. In the figure, reference numeral 1 denotes a tank body of the stationary induction device, and reference numeral 7a denotes a reinforcing beam provided in a vertical direction for maintaining the strength of the tank body 1. Reference numeral 2 denotes a cooling pipe connected to the upper and lower sides of the tank main body 1 to guide a cooling flow to the tank main body 1, 3 denotes a cooler provided in the middle of the cooling pipe 2, and 4 denotes a cooling pipe 2
Is a blower forcibly flowing the cooling flow to the tank body 1, 5 is a coil of the stationary induction device, and 6 is an iron core of the stationary induction device.

[0003] In the stationary induction electric device constructed as described above, the cooling flow 8 obtained by the blower 4 is introduced into the tank main body 1 from the cooling pipe 2, and the coils 5, which are the main heating elements of the stationary induction electric device, The iron core 6 is cooled and guided to the cooler 3 from the cooling pipe 2 provided on the upper part of the tank body 1.

FIG. 9 is a perspective view of another conventional gas-insulated stationary induction device, and FIG. 10 is a sectional view thereof. In the drawing, reference numeral 1 denotes a tank body of a stationary induction device, and 7b
Reference numeral denotes a reinforcing beam arranged in a horizontal direction for maintaining the strength of the tank body 1. Numeral 2 is connected to the upper and lower sides of the tank main body 1, a cooling pipe for guiding the cooling flow to the tank main body 1, 5 is a coil of the static induction electric device, 6 is a core of the static induction electric device, and 9 is a gas by radiating gas inside the static induction electric device. A radiator to cool. Reference numeral 10 denotes a common pipe that is connected to the plurality of radiators 9 installed, is connected to the cooling pipe 2 that guides the cooling flow 8 into the tank 1, and serves as a cooling channel.

[0005]

However, in the conventional stationary induction device as shown in FIG. 7, since the cooling pipe 2 is used, the cooling pipe 2 projects to the tank body 1 and the stationary There is a problem that not only the outer area of the entire induction device increases but also the weight of the entire stationary induction device increases. In addition, since the cooling pipe 2 is provided, there is a problem that the number of components of the entire stationary induction device also increases.

In the conventional static induction device as shown in FIG. 9, a common pipe 10 for connecting a plurality of radiators 9 is used.
Further, since the cooling pipe 2 for guiding the cooling flow 8 guided to the common pipe 10 into the tank 1 is required, the number of components provided on the side of the tank main body 1 increases, and the overhang to the side of the tank main body 1 also occurs. There is a problem that the size of the static induction device becomes large and the size of the static induction device becomes large.

The present invention (corresponding to claims 1 to 4) provides:
The purpose of the present invention is to provide a static induction device that can be cooled without particularly providing a cooling pipe.

[0008]

In order to achieve the above object, a first aspect of the present invention is a stationary induction electric appliance in which an apparatus main body and an insulating gas are sealed in a closed tank main body. A tank reinforcing beam in the vertical direction is provided on the outside of the side surface of the device, and the tank reinforcing beam is used as a cooling channel for cooling the device main body.

According to the first aspect of the present invention, the use of the reinforcing beam vertically provided on the side surface of the tank as a cooling flow passage eliminates the need to particularly provide a cooling pipe for connecting the tank with the cooler and the blower. Therefore, the cooling pipe does not protrude from the tank, the external area of the static induction device can be significantly reduced, and the weight of the static induction device can be significantly reduced.

According to a second aspect of the present invention, there is provided a stationary induction device in which an apparatus main body and an insulating gas are sealed in a closed tank main body, wherein a tank reinforcing beam is provided in a vertical direction on an inner side surface of the closed tank main body. The tank reinforcing beam is used as a cooling channel for cooling the device main body.

According to the second aspect of the present invention, the reinforcing beam is provided in the tank and is used as a cooling channel so that the width of the tank can be minimized. It can greatly contribute to reduction.

According to a third aspect of the present invention, there is provided a stationary induction device in which an apparatus main body and an insulating gas are sealed in a closed tank main body, wherein a horizontal tank reinforcing beam provided on a side outer side of the closed tank main body is provided. The cooling passage is connected to a plurality of radiators attached to the outside of the closed tank body.

According to the third aspect of the present invention, it is an object to guide the cooling flow to the outside of the tank by using a reinforcing beam installed in a horizontal direction outside the tank as a flow path of the cooling flow guided from the plurality of radiators. This eliminates the need for the installation of a common pipe, thereby reducing the external area of the stationary induction device to a minimum, greatly reducing the number of components, and facilitating the mounting of the radiator.

According to a fourth aspect of the present invention, there is provided a stationary induction device in which an apparatus main body and an insulating gas are sealed in a closed tank main body, wherein a horizontal tank reinforcing beam provided on an inner side surface of the closed tank main body is provided. A plurality of radiators attached to the outside of the closed tank main body are connected to each other to form a common pipe.

According to the fourth aspect of the present invention, the reinforcing beam in the horizontal direction of the tank is provided in the tank and is used as a flow path of the cooling flow guided from the plurality of radiators.
There is no need to install common piping for the purpose of guiding the cooling flow to the outside of the tank, eliminating parts that protrude from the side of the tank, minimizing the external area of the stationary induction device, and reducing the number of parts. Can also be significantly reduced.

[0016]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a top sectional view of a transformer for a converter according to a first embodiment (corresponding to claim 1) of the present invention, and FIG. 2 is a side sectional view.

As shown in the figure, the transformer for a converter according to the present embodiment has a sealed tank body 1 in which a device body including a coil 5 and an iron core and an insulating gas (not shown) are sealed. A vertical tank reinforcing beam 7a is provided on the outside of the side surface, and this tank reinforcing beam 7a is used as a cooling channel for cooling the main body of the apparatus.

According to the present embodiment, the cooling flow 8 obtained by the blower 4 is sent from the lower surface of the tank body 1 to the inside through the reinforcing beam 7a provided vertically to the side surface of the tank body 1 as a flow path, and the transformer 8 Coil 5 which is the main heating element of
Then, the iron core 6 is cooled and guided to the cooler 3 from the upper part of the tank body 1 using the reinforcing beam 7a as a flow path.

As described above, by using the reinforcing beam 7 as a cooling channel, there is no need to particularly provide a cooling pipe for connecting the tank body 1, the cooler 3, and the blower 4. Accordingly, the cooling pipe does not protrude from the tank main body, and the outer area of the transformer can be greatly reduced, so that the weight of the transformer can be significantly reduced.

FIG. 3 is a top sectional view of a transformer for a converter according to a second embodiment (corresponding to claim 2) of the present invention. As shown in the drawing, the present embodiment is different from the first embodiment in that a reinforcing beam 7a is provided inside the tank body 1 and is used as a cooling channel for guiding a cooling flow 8. Other configurations are the same as those of the first embodiment, and thus the same portions are denoted by the same reference numerals and the description thereof will not be repeated. According to this embodiment, the area outside the transformer can be significantly reduced as compared with the first embodiment.

FIG. 4 is a perspective view of a transformer for a converter according to a third embodiment of the present invention (corresponding to claim 3), and FIG. 5 is a side sectional view thereof. As shown in the figure, in the present embodiment, a horizontal tank reinforcing beam 7b is provided on the outer side surface of the closed tank main body 1 for housing the main body of a transformer in which an insulating gas is sealed in the main body of the main body. Are used as cooling passages for connecting a plurality of radiators 9 to each other.

According to the present embodiment, the reinforcing beam 7b installed horizontally in the outside of the tank body 1 is used as the flow path of the cooling flow guided from the plurality of radiators 9, so that the cooling beam flows outside the tank body 1. There is no need to install a common pipe for guiding the cooling flow, the external area of the transformer can be reduced to a minimum, and the number of parts can be significantly reduced. Also, the attachment of the radiator is very easy.

FIG. 6 is a side sectional view of a transformer according to a fourth embodiment (corresponding to claim 4) of the present invention. As shown in the drawing, in the present embodiment, in a transformer in which an insulating gas is sealed inside the equipment main body, a horizontal reinforcing beam 7b is installed on the inner side surface of the closed tank main body 1, and A plurality of radiators 9 attached to the outer side surface are used as a common pipe connecting each other.

According to this embodiment, a horizontal reinforcing beam 7b is provided inside the tank body 1 and is used as a flow path of the cooling flow 8 guided from the plurality of radiators 9, whereby the tank body 1 There is no need to install a common pipe for the purpose of guiding the cooling flow 8 to the outside, it is possible to eliminate parts that protrude on the side surface of the tank body 1, and it is possible to reduce the outer area of the transformer to the utmost. In addition, the number of parts can be significantly reduced. In each of the above embodiments, a transformer is described. However, it is apparent that the present invention can be easily applied to a stationary induction device such as a reactor, and a description thereof will be omitted.

[0025]

As described above, the present invention (Claim 1)
According to the fourth aspect of the present invention, by using a reinforcing beam for maintaining the strength of the tank as a cooling flow path, it is possible to provide a stationary induction device without particularly providing a cooling pipe.

[Brief description of the drawings]

FIG. 1 is a top sectional view of a stationary induction device according to a first embodiment of the present invention.

FIG. 2 is a side sectional view of FIG.

FIG. 3 is a top sectional view of a stationary induction device according to a second embodiment of the present invention.

FIG. 4 is a perspective view of a stationary induction device according to a third embodiment of the present invention.

FIG. 5 is a side sectional view of FIG. 4;

FIG. 6 is a side sectional view of a stationary induction device according to a fourth embodiment of the present invention.

FIG. 7 is a side sectional view of a conventional stationary induction device.

FIG. 8 is a top sectional view of FIG. 7;

FIG. 9 is a perspective view of another conventional stationary induction device.

FIG. 10 is a top sectional view of FIG. 9;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Tank main body, 2 ... Cooling piping, 3 ... Cooler, 4 ... Blower, 5 ... Coil, 6 ... Iron core, 7, 7a, 7b ... Reinforcement beam, 8 ... Cooling flow, 9 ... Radiator, 10 ... Common Piping.

Claims (4)

[Claims] 1. A stationary induction device in which an apparatus main body and an insulating gas are sealed in a closed tank main body, wherein a vertical tank reinforcing beam is provided outside a side surface of the closed tank main body, and the tank reinforcing beam is connected to the equipment. A static induction device characterized by a cooling passage for cooling a main body. 2. A stationary induction device in which a device main body and an insulating gas are sealed in a closed tank main body, a tank reinforcing beam is provided in a vertical direction on an inner side surface of the closed tank main body, and the tank reinforcing beam is attached to the device. A static induction device characterized by a cooling passage for cooling a main body. 3. A stationary induction device in which a device main body and an insulating gas are sealed in a closed tank main body, wherein a horizontal tank reinforcing beam provided outside a side surface of the closed tank main body is connected to the closed tank main body. A static induction device characterized in that it is connected to a plurality of radiators mounted outside to form a cooling flow path. 4. A stationary induction device in which a device main body and an insulating gas are sealed in a closed tank main body, wherein a horizontal tank reinforcing beam provided on an inner side surface of the closed tank main body is attached to the closed tank main body. A static induction device characterized by being connected to a plurality of radiators mounted on the outside and forming a common pipe.